Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868140 | Semiconductor device and method of manufacturing the same | — | 1989-09-19 |
| 4800527 | Semiconductor memory device | Masaharu Ozaki | 1989-01-24 |
TY
Takao Yonehara
Overall (1989): #14,715 of 140,708Top 15%
2
Patents 1989